Hi, I got a similar problem…
I want to put a HD video on a DVD with Encore CS6. I red all of your messages, and tried with 7-8 dvds, but all of my dvds finished with a 480p pixelated. I tried .iso image, nothing!
I realised that Encore CS6 on DVD is on default at 480p… and it seems I can’t change that! The only changes I see are for the Bluray section…
Important point: On DVD-mode, Encore will transcoded your files: NTSC… or Automatic! There’s not an option for not transcoding. However… bluray does have this option!
How can I get a beautiful 1080p with a DVD ?
Thanks.